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LoRa1121 uses SEMTECH's LR1121 chip, an ultra-low power, long-range LoRa® ISM band transceiver and global 2.4GHz 2-in-1 communication module. LoRa1121 supports LoRa and (G)FSK modulation in the sub-GHz and 2.4G frequency bands, as well as Sigfox® modulation in the sub-GHz band, and long-range frequency hopping spread spectrum (LR-FHSS) in the sub-GHz, 1.9-2.1GHz, and 2.4GHz ISM bands.

A wireless data transmission radio is a device specifically designed for the efficient and reliable transmission of digital data in wireless environments. In MESH mode, by combining multiple modules, it can achieve network coverage with no blind spots and no distance limitations. In open environments, a single module can transmit up to 10 kilometers in low-speed mode.

UWB3000F27 and UWB3000F00: These modules are used for two-way long-distance ranging, TDoA (Time Difference of Arrival), and PDoA (Phase Difference of Arrival) systems, with positioning accuracy up to 10 centimeters.

In the era of smart technology, mobile phones are almost ubiquitous, covering everything from basic communication to multimedia entertainment. However, even in this context, walkie-talkies have not been completely replaced. This is not just due to nostalgia or professional requirements; there are many substantial reasons why walkie-talkies remain irreplaceable in specific fields and situations. Here are some key factors explaining why walkie-talkies still hold advantages in the smart era

SV651 is an Industrial class & highly-integrated RF module. TTL / 232 /485 can be chosen corresponding to SV651-TTL / SV651-232 / SV651-485. SV651 has good sensitivity and 500mW output power to achieve long RF range and reliable RF communication.